PreMarket Info Recap for September 20, 2013: Lining Up for the New iPhone

Have you ever woken up to find that a stock in your portfolio made a dramatic move overnight? Are you interested in learning how to understand each day's post-market and pre-market moves?

Veteran traders Joel Elconin and Dennis Dick will give you all of the insights that you'll need to get in on the action before the opening bell.

Some highlights:

• Crowds are lining up for the new iPhone, and Apple (NASDAQ: AAPL) stock is popping again
• Earnings from Darden (NYSE: DRI) disappoint
• Disaster stock of the day is Prosensa (NASDAQ: RNA)

Check out the video below for a recap of Friday morning's show.